:root {
    --yellow: #FFD700;
    --yellow-soft: #FFE873;
    --pink: #FF4D8D;
    --pink-deep: #E63375;
    --black: #111111;
    --white: #FFFFFF;
    --shadow: 6px 6px 0 var(--black);
    --shadow-sm: 4px 4px 0 var(--black);
    --border: 3px solid var(--black);
    --radius: 12px;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 90px; }
  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--yellow);
    color: var(--black);
    line-height: 1.7;
    background-image: radial-gradient(var(--yellow-soft) 1.5px, transparent 1.5px);
    background-size: 24px 24px;
    overflow-x: hidden;
  }
  img { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }

  /* ===== Header ===== */
  .site-header {
    position: sticky; top: 0; z-index: 100;
    background: var(--yellow);
    border-bottom: var(--border);
    box-shadow: 0 4px 0 var(--black);
  }
  .header-inner {
    max-width: 1180px; margin: 0 auto; padding: 14px 20px;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    flex-wrap: wrap;
  }
  .brand { display: flex; align-items: center; gap: 10px; }
  .brand img {
    height: 36px; width: auto; border-radius: 8px;
    border: 2px solid var(--black); background: var(--white);
  }
  .brand-name { font-size: 22px; font-weight: 900; letter-spacing: 1px; }
  .main-nav ul { display: flex; list-style: none; gap: 6px; flex-wrap: wrap; }
  .main-nav a {
    display: inline-block; padding: 6px 12px; font-weight: 700; font-size: 14px;
    border: 2px solid transparent; border-radius: 8px; transition: all .2s;
  }
  .main-nav a:hover {
    background: var(--white); border-color: var(--black); box-shadow: 2px 2px 0 var(--black);
  }
  .header-actions { display: flex; gap: 10px; }
  .btn {
    display: inline-flex; align-items: center; gap: 6px;
    font-weight: 900; font-size: 15px; padding: 9px 20px;
    border: var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow-sm); cursor: pointer; transition: transform .15s, box-shadow .15s;
    white-space: nowrap;
  }
  .btn:active { transform: translate(3px,3px); box-shadow: 1px 1px 0 var(--black); }
  .btn-pink { background: var(--pink); color: var(--white); }
  .btn-pink:hover { background: var(--pink-deep); }
  .btn-white { background: var(--white); color: var(--black); }
  .btn-white:hover { background: var(--yellow-soft); }

  /* ===== Hero ===== */
  .hero { padding: 48px 20px 56px; }
  .hero-inner {
    max-width: 1180px; margin: 0 auto;
    display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center;
  }
  .hero-tag {
    display: inline-block; background: var(--black); color: var(--yellow);
    font-weight: 800; font-size: 13px; padding: 4px 14px; border-radius: 20px;
    margin-bottom: 18px;
  }
  .hero h1 {
    font-size: 44px; line-height: 1.25; font-weight: 900; margin-bottom: 18px;
    text-shadow: 3px 3px 0 var(--white);
  }
  .hero h1 .hl { background: var(--pink); color: var(--white); padding: 0 8px; border-radius: 6px; display: inline-block; }
  .hero-desc { font-size: 17px; margin-bottom: 28px; max-width: 480px; }
  .hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
  .hero-buttons .btn { padding: 13px 26px; font-size: 17px; }
  .hero-stats { display: flex; gap: 26px; flex-wrap: wrap; }
  .hero-stats div { font-weight: 800; }
  .hero-stats span { display: block; font-size: 12px; font-weight: 600; opacity: .7; }

  .hero-collage { position: relative; height: 460px; }
  .collage-card {
    position: absolute; width: 200px; border-radius: var(--radius);
    border: var(--border); box-shadow: var(--shadow); overflow: hidden;
    transition: transform .35s ease;
  }
  .collage-card img { width: 100%; height: 290px; object-fit: cover; }
  .collage-card:nth-child(1) { top: 0; left: 0; transform: rotate(-6deg); z-index: 2; }
  .collage-card:nth-child(2) { top: 40px; right: 10px; transform: rotate(5deg); z-index: 3; }
  .collage-card:nth-child(3) { bottom: 0; left: 90px; transform: rotate(-3deg); z-index: 4; }
  .hero-collage:hover .collage-card:nth-child(1) { transform: rotate(-10deg) translateY(-6px); }
  .hero-collage:hover .collage-card:nth-child(2) { transform: rotate(9deg) translateY(-6px); }
  .hero-collage:hover .collage-card:nth-child(3) { transform: rotate(-1deg) translateY(-6px); }

  /* ===== Section 通用 ===== */
  .section { padding: 56px 20px; position: relative; }
  .section-inner { max-width: 1180px; margin: 0 auto; }
  .section-head { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
  .section-head h2 { font-size: 32px; font-weight: 900; text-shadow: 2px 2px 0 var(--white); }
  .section-head p { font-size: 15px; opacity: .8; }
  .section-alt { background: var(--white); border-top: var(--border); border-bottom: var(--border); }

  /* ===== 今日更新 ===== */
  .update-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .drama-card {
    background: var(--white); border: var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow); overflow: hidden; transition: transform .2s;
  }
  .drama-card:hover { transform: translateY(-6px); }
  .drama-card .poster { position: relative; overflow: hidden; }
  .drama-card .poster img { width: 100%; height: 340px; object-fit: cover; }
  .drama-card .badge {
    position: absolute; top: 10px; left: 10px; background: var(--pink); color: var(--white);
    font-size: 12px; font-weight: 800; padding: 3px 10px; border-radius: 20px; border: 2px solid var(--black);
  }
  .drama-info { padding: 14px 16px 18px; }
  .drama-info h3 { font-size: 18px; font-weight: 900; margin-bottom: 6px; }
  .drama-info p { font-size: 13px; opacity: .8; }

  /* ===== 追剧日历 ===== */
  .calendar-wrap { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .calendar-item {
    display: flex; gap: 16px; align-items: center;
    background: var(--yellow-soft); border: var(--border); border-radius: var(--radius);
    padding: 14px; box-shadow: var(--shadow-sm);
  }
  .calendar-item img { width: 76px; height: 96px; object-fit: cover; border-radius: 8px; border: 2px solid var(--black); flex-shrink: 0; }
  .calendar-item .day { font-weight: 900; font-size: 14px; color: var(--pink-deep); margin-bottom: 4px; }
  .calendar-item h3 { font-size: 16px; font-weight: 800; }
  .calendar-item p { font-size: 13px; opacity: .75; }

  /* ===== AI 流程 ===== */
  .flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
  .flow-card {
    background: var(--white); border: var(--border); border-radius: var(--radius);
    padding: 24px 20px; box-shadow: var(--shadow-sm); position: relative; transition: transform .2s;
  }
  .flow-card:hover { transform: translateY(-4px); }
  .flow-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; border-radius: 50%; background: var(--pink); color: var(--white);
    font-weight: 900; font-size: 20px; border: 2px solid var(--black); margin-bottom: 14px;
  }
  .flow-card h3 { font-size: 18px; font-weight: 900; margin-bottom: 8px; }
  .flow-card p { font-size: 14px; opacity: .82; }

  /* ===== 排行榜 ===== */
  .rank-list { display: flex; flex-direction: column; gap: 14px; }
  .rank-row {
    display: grid; grid-template-columns: 56px 64px 1fr auto;
    align-items: center; gap: 16px;
    background: var(--white); border: var(--border); border-radius: var(--radius);
    padding: 12px 18px; box-shadow: var(--shadow-sm);
  }
  .rank-num { font-size: 26px; font-weight: 900; color: var(--pink); text-align: center; }
  .rank-row img { width: 56px; height: 72px; object-fit: cover; border-radius: 6px; border: 2px solid var(--black); }
  .rank-title h3 { font-size: 17px; font-weight: 900; }
  .rank-title p { font-size: 13px; opacity: .7; }
  .rank-tag { font-size: 12px; font-weight: 800; background: var(--yellow-soft); border: 2px solid var(--black); border-radius: 20px; padding: 3px 12px; white-space: nowrap; }

  /* ===== 旋转切换卡 ===== */
  .rotate-stage { display: flex; justify-content: center; align-items: center; height: 400px; position: relative; }
  .rot-card {
    position: absolute; width: 220px; border-radius: var(--radius); overflow: hidden;
    border: var(--border); box-shadow: var(--shadow); background: var(--black);
    transition: transform .5s cubic-bezier(.4,0,.2,1), opacity .5s; cursor: pointer;
  }
  .rot-card img { width: 100%; height: 320px; object-fit: cover; }
  .rot-card.active { z-index: 5; transform: translateX(0) scale(1) rotate(0deg); }
  .rot-card.prev { z-index: 3; transform: translateX(-180px) scale(.8) rotate(-8deg); opacity: .85; }
  .rot-card.next { z-index: 3; transform: translateX(180px) scale(.8) rotate(8deg); opacity: .85; }
  .rot-card.hide { z-index: 1; transform: scale(.55); opacity: 0; pointer-events: none; }
  .rot-hint { text-align: center; font-size: 14px; font-weight: 700; opacity: .7; margin-top: 16px; }

  /* ===== FAQ ===== */
  .faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
  .faq-item {
    background: var(--white); border: var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow-sm); overflow: hidden;
  }
  .faq-q {
    width: 100%; text-align: left; background: none; border: none; cursor: pointer;
    padding: 18px 22px; font-size: 16px; font-weight: 900; color: var(--black);
    display: flex; justify-content: space-between; align-items: center; font-family: inherit;
  }
  .faq-q .arrow { transition: transform .3s; font-size: 20px; color: var(--pink); }
  .faq-item.open .arrow { transform: rotate(180deg); }
  .faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
  .faq-a p { padding: 0 22px 20px; font-size: 14px; opacity: .85; }

  /* ===== 证书 ===== */
  .cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .cert-card {
    background: var(--yellow-soft); border: var(--border); border-radius: var(--radius);
    padding: 26px 22px; box-shadow: var(--shadow-sm); text-align: center;
  }
  .cert-icon { font-size: 40px; margin-bottom: 12px; }
  .cert-card h3 { font-size: 18px; font-weight: 900; margin-bottom: 8px; }
  .cert-card p { font-size: 14px; opacity: .8; }

  /* ===== 教程 ===== */
  .tutorial-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
  .tutorial-steps { display: flex; flex-direction: column; gap: 18px; }
  .tutorial-step { display: flex; gap: 16px; align-items: flex-start; }
  .step-num {
    flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%;
    background: var(--black); color: var(--yellow); font-weight: 900; font-size: 18px;
    display: flex; align-items: center; justify-content: center;
  }
  .tutorial-step h3 { font-size: 17px; font-weight: 900; margin-bottom: 4px; }
  .tutorial-step p { font-size: 14px; opacity: .8; }
  .tutorial-img img { width: 100%; border-radius: var(--radius); border: var(--border); box-shadow: var(--shadow); }

  /* ===== 分类导航 ===== */
  .cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
  .cat-card {
    background: var(--white); border: var(--border); border-radius: var(--radius);
    padding: 26px 18px; text-align: center; box-shadow: var(--shadow-sm);
    transition: transform .2s, background .2s;
  }
  .cat-card:hover { transform: translateY(-5px); background: var(--yellow-soft); }
  .cat-card .cat-icon { font-size: 36px; margin-bottom: 10px; }
  .cat-card h3 { font-size: 18px; font-weight: 900; margin-bottom: 6px; }
  .cat-card p { font-size: 13px; opacity: .75; }

  /* ===== 下载 CTA ===== */
  .cta-section { padding: 64px 20px; background: var(--black); color: var(--yellow); }
  .cta-inner { max-width: 900px; margin: 0 auto; text-align: center; }
  .cta-inner h2 { font-size: 36px; font-weight: 900; margin-bottom: 16px; color: var(--white); }
  .cta-inner p { font-size: 16px; margin-bottom: 32px; opacity: .85; }
  .cta-buttons { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
  .cta-buttons .btn { padding: 15px 34px; font-size: 18px; }

  /* ===== 底部搜索 ===== */
  .search-tags { max-width: 1180px; margin: 0 auto; padding: 30px 20px 10px; }
  .search-tags h3 { font-size: 15px; font-weight: 900; margin-bottom: 12px; }
  .search-tags ul { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; }
  .search-tags li a {
    font-size: 13px; padding: 4px 12px; background: var(--white);
    border: 2px solid var(--black); border-radius: 20px; display: inline-block;
  }
  .search-tags li a:hover { background: var(--yellow-soft); }

  /* ===== Footer ===== */
  .site-footer {
    border-top: var(--border); background: var(--yellow-soft);
    padding: 26px 20px; font-size: 12px; color: #555;
  }
  .footer-inner {
    max-width: 1180px; margin: 0 auto;
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px;
  }
  .footer-inner a { color: #555; border-bottom: 1px dotted #888; }
  .footer-inner a:hover { color: var(--pink-deep); }

  /* ===== 响应式 ===== */
  @media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-collage { height: 380px; max-width: 520px; margin: 0 auto; width: 100%; }
    .update-grid { grid-template-columns: repeat(2, 1fr); }
    .flow-grid { grid-template-columns: repeat(2, 1fr); }
    .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .cat-grid { grid-template-columns: repeat(2, 1fr); }
    .tutorial-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 36px; }
  }
  @media (max-width: 768px) {
    .header-inner { flex-direction: column; align-items: flex-start; }
    .main-nav ul { gap: 4px; }
    .main-nav a { padding: 5px 9px; font-size: 13px; }
    .header-actions { width: 100%; }
    .header-actions .btn { flex: 1; justify-content: center; }
    .hero { padding: 30px 16px 40px; }
    .hero h1 { font-size: 28px; }
    .hero-desc { font-size: 15px; }
    .hero-buttons .btn { flex: 1; justify-content: center; padding: 12px 14px; font-size: 15px; }
    .hero-collage { height: 320px; }
    .collage-card { width: 150px; }
    .collage-card img { height: 220px; }
    .collage-card:nth-child(3) { left: 50px; }
    .section { padding: 40px 16px; }
    .section-head h2 { font-size: 24px; }
    .update-grid { grid-template-columns: 1fr; }
    .drama-card .poster img { height: 300px; }
    .calendar-wrap { grid-template-columns: 1fr; }
    .flow-grid { grid-template-columns: 1fr; }
    .cert-grid { grid-template-columns: 1fr; }
    .cat-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .rank-row { grid-template-columns: 40px 48px 1fr; gap: 10px; padding: 10px; }
    .rank-row img { width: 48px; height: 62px; }
    .rank-num { font-size: 20px; }
    .rank-tag { display: none; }
    .rotate-stage { height: 340px; }
    .rot-card { width: 170px; }
    .rot-card img { height: 240px; }
    .rot-card.prev { transform: translateX(-100px) scale(.75) rotate(-8deg); }
    .rot-card.next { transform: translateX(100px) scale(.75) rotate(8deg); }
    .cta-inner h2 { font-size: 26px; }
    .cta-buttons .btn { flex: 1; justify-content: center; padding: 13px 18px; font-size: 16px; }
    .footer-inner { flex-direction: column; gap: 8px; }
  }